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28 lines
870 B
Plaintext
28 lines
870 B
Plaintext
---
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import Icon from './Icon.astro'
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interface Props {
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/** a number, or a signed string such as "+9.5" that is rendered as written */
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value: number | string
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unit?: string | undefined
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class?: string
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}
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const { value, unit = '%', class: className } = Astro.props
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const amount = Number(value)
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if (Number.isNaN(amount)) {
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throw new Error(`Trending: value "${value}" is not a number`)
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}
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const trendingColor = amount > 0 ? 'green' : amount === 0 ? 'muted' : 'red'
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const trendingIcon = amount > 0 ? 'arrow-up' : amount === 0 ? 'minus' : 'arrow-down'
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const classes = [`text-${trendingColor} d-inline-flex align-items-center lh-1`, className]
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---
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<span class:list={classes}>
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<span class="visually-hidden">{amount > 0 ? 'Increased by' : amount < 0 ? 'Decreased by' : 'No change,'} </span>{value}{unit}
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<Icon name={trendingIcon} class="ms-0" size="sm" />
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</span>
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